Flag of Denison, Texas

The flag for the city of Denison, Texas, was designed in 1873, and formally approved on November 13, 1968. It composed of a bicolor of green and white separated by a red stripe, with a black vertical stripe and white star at the center.

Symbolism
The meanings of each of the colors and the star are as follows:
 * The green band represents the green grass of Indian Territory (now Oklahoma, located only a few miles to the north).
 * The red band represents the nearby Red River.
 * The white band represents Texas cotton fields.
 * The black vertical stripe bisecting the bands represents the Missouri-Kansas-Texas Railroad (better known as the M-K-T or Katy Railroad, which is now part of the Union Pacific Railroad).
 * The star in the middle represents Denison.